Which of the following is the most important component of civilization

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

4. choose one of the protagonists and explain how he advances the plot of his particularnarrative. how does the combination of his internal and external conflicts move the storyalong? who is the antagonist in the narrative?

What percentage of people in britain lived in cities in 1850? a.) less than 5% b.)between 6 and 10% c.) more than 20%